Java Applications Development Lead, Vice President

Citigroup Inc.; Mississauga; On-site; CAD 121,000 - 171,000; Full time

Job summary

Citigroup Inc. is seeking an Applications Development Technology Lead Analyst in Mississauga to drive architecture, development, and delivery of scalable, resilient systems for Money Markets within Markets Treasury Technology.

You will lead high-throughput microservices, leverage Java, Spring Boot, and MongoDB in a cloud-native environment. You will partner with business desks, product managers, and cross-functional teams to prioritize enhancements, ensure performance, and align technology with

Qualifications

• Extensive hands-on Java development with Spring Boot in a financial domain.
• Experience with MongoDB data modeling, aggregation, and performance tuning.
• Strong cloud-native design, microservices, and observability practices.

Responsibilities

• Lead design, development, and deployment of high-throughput, low-latency systems for Money Market trading and life cycle management.
• Partner with business desks and product managers to align tech solutions with goals and enable new financial products.
• Ensure architecture compliance, security, and cloud-native principles across microservices and integrations.
• Mentor junior developers and drive code quality through reviews and best practices.
• Assess risk and ensure regulatory compliance in all technical decisions.

Skills

Java

Spring Boot

MongoDB

Cloud-native

OpenShift

AWS

Kafka

Solace

Redis

GemFire

Prometheus

Grafana

OpenTelemetry

CI/CD

Git

Agile/Scrum

GitHub Copilot

Leadership

Education

Bachelor's degree in Computer Science / Engineering

Master's degree preferred

Tools

Jenkins

Tekton

Harness

Git

Job description

Overview of the Role

TheApplications Development Technology Lead Analystis a senior-level position within theMarkets Treasury Technologyteam, specifically focusing on theMoney Marketsdomain. This role is responsible for establishing, designing, and implementing highly resilient, scalable, and performant application systems and microservices in coordination with global technology and business partners.

The overall objective of this role is to lead applications systems analysis, architecture, and programming activities, driving the modernization of our Treasury and Money Market platforms usingJava, Spring Boot, and MongoDBin a cloud-native environment.

Key Responsibilities

• Technical Leadership:Lead the design, development, and deployment of high-throughput, low-latency transactional systems and microservices for Money Market trading, funding, and trade life cycle management.
• Business & Function Integration:Partner with Markets Treasury business desks, product managers, and multiple management teams to align technology solutions with business goals, identifying and defining system enhancements to support new financial products and process improvements.
• Architecture & Design:Provide subject matter expertise in modern application design, ensuring that all microservices and system integrations adhere to the firm's overall architecture blueprints, security standards, and cloud-native principles.
• Problem Solving & Performance Tuning:Resolve high-impact, complex technical and business process issues. Conduct in-depth evaluation of system flows, database performance (MongoDB), data ingestion pipelines, and API exposure layers to eliminate bottlenecks.
• Standards & Best Practices:Establish and enforce robust standards for clean coding, comprehensive testing (unit, integration, and performance), debugging, and automated deployment.
• Mentorship & Collaboration:Serve as a technical advisor, coach, and mentor to mid-level and junior developers, allocating work, conducting code reviews, and fostering a culture of continuous learning.
• Risk & Compliance:Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding the organization, its clients, and assets. Drive compliance with applicable laws, rules, and regulations, adhering to policy, applying sound ethical judgment, and escalating control issues with transparency.

Recommended Qualifications

• Experience:10+ years of hands-on application development and technical leadership experience in the financial services domain, with a strong focus onMarkets Treasury, Money Markets, and Trade Lifecycle Management.
• Core Tech Stack Expertise:
  • Deep, hands-on expertise inCore Java (Java 17+)and theSpring Bootecosystem (Spring Cloud, Spring Security, Spring Data).
  • Strong experience with NoSQL databases, specificallyMongoDB(document modeling, aggregation framework, indexing, sharding, and performance tuning).
• Domain Knowledge (Money Markets & Treasury Accounting):
  • Strong understanding of core financial and treasury accounting concepts, includingPAA (Profit Attribution Analysis),PnL (Profit and Loss)calculation/attribution,Accrual accounting(accrual interest, amortization, and yield calculations for Money Market instruments), and Risk calculations (IRDL and CRDL)
  • Proven experience integrating trading and treasury platforms with downstream ledger, accounting, and books & records systems for seamless PnL, accrual processing, and financial reconciliation.
• Performance & Scalability:Demonstrated experience diagnosing and solving complex performance issues across the entire application flow (including database queries, messaging ingestions, and API exposure layers).
• Cloud‑Native & Modern Architecture:
  • Expertise in cloud-native development principles, designing and building highly resilient, scalable, and observable services (using tools like Prometheus, Grafana, or OpenTelemetry) in a cloud or containerized environment (e.g., OpenShift, AWS).
  • Experience with distributed caching (e.g., Redis, GemFire) and event‑driven architectures using messaging middleware (e.g., Kafka, Solace).
• SDLC & Tools:
  • Strong understanding of CI/CD pipelines (Jenkins, Tekton, or Harness), Git, Scrum/Agile methodologies, and JIRA.
  • Familiarity withAI-assisted development tools(e.g., GitHub Copilot) and a proven track record of leveraging AI to accelerate day‑to‑day development tasks, code generation, and optimization.
• Leadership & Soft Skills:
  • Excellent communication, stakeholder management, and consensus‑building skills, with the ability to articulate complex technical concepts to non-technical business partners.
  • Strong project management, prioritization, and organizational skills, with the ability to adjust priorities quickly in a dynamic environment.

Education

• Bachelor’s degree/University degree or equivalent experience in Computer Science, Engineering, or a related field.
• Master’s degree preferred.

Technology

Applications Development

Full time

$120,800.00 - $170,800.00

Please see the requirements listed above.

For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

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